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Pandao Editor.md vulnerable to cross-site scripting (XSS) in iframe src parameter

Moderate severity GitHub Reviewed Published Apr 4, 2023 to the GitHub Advisory Database • Updated Apr 7, 2023

Package

npm editor.md (npm)

Affected versions

<= 1.5.0

Patched versions

None

Description

Cross-site Scripting vulnerability found in Pandao Editor.md v.1.5.0 allows a remote attacker to execute arbitrary code via a crafted script in the <iframe> src parameter.

References

Published by the National Vulnerability Database Apr 4, 2023
Published to the GitHub Advisory Database Apr 4, 2023
Reviewed Apr 4, 2023
Last updated Apr 7, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(41st percentile)

Weaknesses

CVE ID

CVE-2020-19697

GHSA ID

GHSA-w974-rq9x-mh3v

Source code

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